diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 062a0c6df..2c51ffd7b 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,8 @@
+Tue May 15 10:20:00 2001  Corinna Vinschen <corinna@vinschen.de>
+
+	* fhandler_socket.cc (fhandler_socket::ioctl): Convert s_addr
+	field to host byte order before comparing with INADDR_LOOPBACK.
+
 Tue May 15  9:03:00 2001  Corinna Vinschen <corinna@vinschen.de>
 
 	* autoload.cc: Add autoload statements for ws2_32 functions
diff --git a/winsup/cygwin/fhandler_socket.cc b/winsup/cygwin/fhandler_socket.cc
index eb6f36a2e..288b4f4e5 100644
--- a/winsup/cygwin/fhandler_socket.cc
+++ b/winsup/cygwin/fhandler_socket.cc
@@ -15,6 +15,7 @@
 #include "winsup.h"
 #include <errno.h>
 #include <sys/socket.h>
+#include <asm/byteorder.h>
 
 #include <stdlib.h>
 #include <unistd.h>
@@ -291,7 +292,7 @@ fhandler_socket::ioctl (unsigned int cmd, void *p)
 	  return -1;
 	}
       ifr->ifr_flags = IFF_NOTRAILERS | IFF_UP | IFF_RUNNING;
-      if (((struct sockaddr_in *) &ifr->ifr_addr)->sin_addr.s_addr
+      if (ntohl (((struct sockaddr_in *) &ifr->ifr_addr)->sin_addr.s_addr)
           == INADDR_LOOPBACK)
         ifr->ifr_flags |= IFF_LOOPBACK;
       else